en
Maintenance/repair
36
WILO SE 2020-10
Fig. 27:
Exploded view of Atmos TERA-SCH hydraulic (version with gland pack)
No.
Part description
No.
Part description
No.
Part description
1
Bolts for bearing housing
17
Air cock
31
Lock washer
2
Bearing housing (Drive end)
18
Jack screws for opening top housing 32
Lock nut
3
Bearing
19
Hose pipe
33
Bearing housing (Non-Drive End)
4
Supporting ring
20
Top pump housing
34
Sleeve
5
Bearing cover (Drive end)
21
Impeller
35
O-ring for sleeve
6
Water thrower
22
Bottom pump housing
36
Sleeve nut
11
Hexagon plug
23
Dowel pin for location
37
Gland cover
12
Bolts for seal housing guard
24
Shaft
38
Gland packing
13
Seal housing guard
25
Wear ring
39
Logging ring
14
Impeller key
27
Dowel pin for wear ring
40
Bolts for gland cover
15
Bolts for split flange
29
Bolts for bearing cover
16
Lifting bolts
30
Bearing cover (Non-Drive End)
Table 15:
Exploded view of Atmos TERA-SCH hydraulic (mechanical seal version with sleeves)
9.5.2
Disassembling the top housing
Close the isolating valves in suction and discharge line.
Drain the pump and open the air cock (17).
Remove both dowel pins (23) and all split flange nuts.
Types with gland packing
ƒ
Remove bolts for gland cover (40) from both ends and slide away the gland cover
(37).
ƒ
Remove gland packing (38) and logging ring (39).
ƒ
Connect suitable lifting tackles to the lifting bolts (16) provided on top half housing
(20).
ƒ
Remove the top housing.
ƒ
Remove the paper gasket placed in between the two housing halves.
Types with mechanical seal
ƒ
Disconnect the hose pipes (19).
ƒ
Loosen the nuts of the mechanical seal covers (7) and slide the covers away on the
shaft (24).
ƒ
Remove all bolts (15) that are joining top and bottom housing (20, 22).
ƒ
Connect suitable lifting tackles to the lifting bolts (16) provided on top half housing
(20).
ƒ
Remove the top housing.
ƒ
Remove the paper gasket placed in between the two housing halves.
